Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
05-12-2021 10:54
Static task
static1
Behavioral task
behavioral1
Sample
571f12f948ea19e6ed5eec7f3b973344.exe
Resource
win7-en-20211014
windows7_x64
0 signatures
0 seconds
General
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Target
571f12f948ea19e6ed5eec7f3b973344.exe
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Size
392KB
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MD5
571f12f948ea19e6ed5eec7f3b973344
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SHA1
3241f91728f2cae3f372ece53c71307329d93de5
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SHA256
efedecf2ac9040b4ba31a44a3c8ae15925e567d7304d8717bd40ece3b7d6a0cc
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SHA512
dce066b28be786225e50707fe8c8cac1b755c32e0779331e4f1b7676181c4a5ff2db77770675f0ff224dea2df69c34a3c380aa8f17264af9aeb3e0ef3df471be
Malware Config
Extracted
Family
cryptbot
C2
unic14m.top
unic14e.top
Signatures
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Deletes itself 1 IoCs
Processes:
cmd.exepid process 1296 cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
571f12f948ea19e6ed5eec7f3b973344.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 571f12f948ea19e6ed5eec7f3b973344.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 571f12f948ea19e6ed5eec7f3b973344.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 560 timeout.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
571f12f948ea19e6ed5eec7f3b973344.execmd.exedescription pid process target process PID 1872 wrote to memory of 1296 1872 571f12f948ea19e6ed5eec7f3b973344.exe cmd.exe PID 1872 wrote to memory of 1296 1872 571f12f948ea19e6ed5eec7f3b973344.exe cmd.exe PID 1872 wrote to memory of 1296 1872 571f12f948ea19e6ed5eec7f3b973344.exe cmd.exe PID 1872 wrote to memory of 1296 1872 571f12f948ea19e6ed5eec7f3b973344.exe cmd.exe PID 1296 wrote to memory of 560 1296 cmd.exe timeout.exe PID 1296 wrote to memory of 560 1296 cmd.exe timeout.exe PID 1296 wrote to memory of 560 1296 cmd.exe timeout.exe PID 1296 wrote to memory of 560 1296 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\571f12f948ea19e6ed5eec7f3b973344.exe"C:\Users\Admin\AppData\Local\Temp\571f12f948ea19e6ed5eec7f3b973344.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1872 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\EsBAmlSrW & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\571f12f948ea19e6ed5eec7f3b973344.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1296 -
C:\Windows\SysWOW64\timeout.exetimeout 43⤵
- Delays execution with timeout.exe
PID:560
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